Waste gas treatment equipment for catalytic combustion of regenerative chamber

Abstract

The utility model provides waste gas treatment equipment for catalytic combustion of a regenerative chamber, which relates to the technical field of waste gas treatment and comprises a heating box and a catalytic reaction component, the catalytic reaction component comprises a packaging box mounted on the inner side of the heating box, and a ceramic honeycomb heat accumulator is welded on the inner side of the packaging box. An electric heating catalytic heater is arranged at the bottom of the catalytic heating box, limiting clamping grooves are welded to the upper end and the lower end of the inner side of the catalytic chamber correspondingly, cordierite bearing plates are installed on the inner sides of the limiting clamping grooves correspondingly, catalyst spraying layers are arranged on the surfaces of the cordierite bearing plates correspondingly, and a siphon fan is arranged on the right side of the catalytic chamber. The electric heating catalyst can heat the ceramic honeycomb heat accumulator, so that waste gas entering the catalyst box through the gas transmission port is preheated, preparation is made for follow-up waste gas catalysis, the ceramic honeycomb heat accumulator has the characteristics of high temperature resistance, large heat capacity and small resistance, and the unique honeycomb structure of the ceramic honeycomb heat accumulator provides a huge heat exchange area for gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a waste gas treatment equipment of regenerative chamber catalytic combustion. BACKGROUND

[0002] Catalytic combustion waste gas treatment is a kind of high-efficiency purification industrial waste gas technical means, it is mainly aimed at the large wind volume, low concentration organic waste gas generated in chemical industry, coating, printing and other industries, first, waste gas is collected into treatment equipment, removes dust through filter, then preheats using regenerative chamber, then promotes organic matter and oxygen oxidation reaction at lower temperature with the aid of catalyst, releases heat to maintain self-heating combustion, finally converts into harmless carbon dioxide and water, is discharged after purification, the whole process realizes the cooperation of each component with the aid of intelligent control system, achieves the purpose of energy saving, high efficiency, intelligent purification waste gas.

[0003] After searching, the case of announcement number "CN215808558U" mentioned "the utility model discloses a catalytic combustion waste gas treatment equipment, including filter and catalytic combustion furnace, the filter includes protective cover, the inner bottom wall of protective cover is rotatably connected with the turntable, the upper surface of the turntable is connected with detachable filter cylinder, the upper and lower ends of protective cover are respectively provided with input pipe and recovery hopper, the surface of protective cover is respectively provided with discharge pipe, back spray nozzle and motor, the inside of catalytic combustion furnace is provided with heat exchanger, the bottom of catalytic combustion furnace is fixedly connected with fresh air pump, the input end of heat exchanger is communicated with fresh air pump, the output end of heat exchanger is communicated with back spray nozzle", when using, the catalytic combustion waste gas treatment equipment, by setting filter cylinder, the solid particles of organic waste gas are preferentially adsorbed in the inner wall of filter cylinder, when back blowing, airflow is concentrated, and filter cylinder rotates simultaneously, so that the adsorbed material of filter cylinder is cleaned more thoroughly, the recovery hopper at the bottom can discharge larger particulate matter, and waste residue is more convenient to handle, but now industrial waste gas is driven away by using physical adsorption and chemical adsorption and other ways, and in recent years, regenerative catalytic combustion technology is gradually used in waste gas treatment process, however, in the use process, the heat exchange efficiency of regenerative equipment is poor, and in the catalytic process, the contact catalyst time and area are less, leading to poor catalytic effect, and the problem of insufficient reaction in catalytic stage is prone to occur.

[0004] Therefore, we provide a waste gas treatment equipment of regenerative chamber catalytic combustion to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a waste gas treatment equipment of regenerative chamber catalytic combustion to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a waste gas treatment equipment of regenerative chamber catalytic combustion, including catalytic heat box and catalytic reaction subassembly, the left side of catalytic heat box is provided with gas inlet, the catalytic reaction subassembly includes the encapsulation box of installation in catalytic heat box inboard, the inboard of encapsulation box is welded with ceramic honeycomb heat accumulator, the bottom of catalytic heat box is provided with electric heating catalytic heater, the right side of catalytic heat box is provided with catalytic chamber, the inboard of catalytic chamber both ends is welded with limit card slot, the inboard of limit card slot is all installed with cordierite bearing plate, the surface of cordierite bearing plate is provided with catalyst spray coating, the right side of catalytic chamber is provided with siphon fan, the outer side of siphon fan is installed with air duct.

[0007] Preferably, the ceramic honeycomb heat accumulator is connected with the catalytic heat box by a clamping groove, the ceramic honeycomb heat accumulator has a honeycomb structure, and the electric heating catalytic heater is located at the lower side of the ceramic honeycomb heat accumulator.

[0008] Preferably, the cordierite bearing plate is connected with the limit card slot by a clamping groove, the upper end of the catalytic chamber is provided with three groups, the lower end is provided with two groups, and the upper and lower ends are arranged in a cross shape, the catalyst spray coating is connected with the cordierite bearing plate by adhesion, and the catalyst spray coating is tightly attached to the cordierite bearing plate.

[0009] Preferably, the outer diameter of the siphon fan is fitted with the inner diameter of the air duct, and the siphon fan and the air duct are in a sealed welding state.

[0010] Preferably, the end of the air duct is welded with a dust deposition tank, and the upper side of the dust deposition tank is installed with a nylon dust screen.

[0011] Preferably, the upper side of the nylon dust screen is installed with a waste gas combustion chamber, the inner wall of the waste gas combustion chamber is welded with an electric heating plate, and the outer side of the waste gas combustion chamber is installed with a temperature controller.

[0012] Preferably, the right side of the waste gas combustion chamber is connected with an activated carbon filter through a pipeline, and the activated carbon filter is a V-shaped activated carbon air filter.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、When need to use, the electric heating heater carries out heating treatment to the ceramic honeycomb heat accumulator, so that the exhaust gas that enters the heating box through the gas inlet is preheated, and the ceramic honeycomb heat accumulator has the characteristics of high temperature resistance, large heat capacity and small resistance, and the unique honeycomb structure provides a large heat exchange area for the gas, and the five groups of cordierite bearing plates are cross-installed, so that after the heated exhaust gas enters the catalytic chamber, the contact time with the catalyst spraying layer on the surface of the cordierite bearing plate can be increased through the channel formed by the cordierite bearing plate, so that sufficient catalytic effect is provided, and after a period of use, the cordierite bearing plate can be taken out from the limiting clamping groove, so that the catalyst spraying layer is repainted, and the siphon fan can siphon the catalytic chamber, so that the exhaust gas flows in the channel formed by the cordierite bearing plate, avoiding air flow stagnation, and achieving good air conveying effect.

[0015] 2、After the exhaust gas flows into the dust deposition tank through the air duct, the impurities in the exhaust gas may be blocked by the nylon dust screen, and the exhaust gas impurities after the subsequent exhaust gas combustion will also be adsorbed on the nylon dust screen during the standing period after combustion, facilitating subsequent manual cleaning, and the temperature controller can control the electric heating plate to increase the space in the exhaust gas combustion chamber to a suitable height according to the required exhaust gas combustion temperature, so as to burn the impurities in the exhaust gas, achieve the effect of exhaust gas treatment, and finally the activated carbon filter can filter the exhaust gas after combustion before being discharged into the air, achieve the effect of fine filtering, and remove the peculiar smell particles in the exhaust gas. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal split structure of the heating box of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal split structure of the catalytic chamber of the utility model;

[0019] Figure 4 It is a schematic diagram of the internal structure of the exhaust gas combustion chamber of the utility model.

[0020] Marked number in the figure: 1, heating box; 2, gas inlet; 3, catalytic reaction assembly; 301, packaging box; 302, ceramic honeycomb heat accumulator; 303, electric heating heater; 304, catalytic chamber; 305, limiting clamping groove; 306, cordierite bearing plate; 307, catalyst spraying layer; 308, siphon fan; 309, air duct; 4, dust deposition tank; 5, nylon dust screen; 6, exhaust gas combustion chamber; 7, electric heating plate; 8, temperature controller; 9, activated carbon filter. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 As shown, this utility model provides a technical solution: a waste gas treatment device for catalytic combustion in a regenerator chamber, including a catalytic chamber 1 and a catalytic reaction component 3. A gas inlet 2 is provided on the left side of the catalytic chamber 1. The catalytic reaction component 3 includes a sealing box 301 installed inside the catalytic chamber 1. A ceramic honeycomb heat storage body 302 is welded to the inner side of the sealing box 301. An electric heating catalyst 303 is provided at the bottom of the catalytic chamber 1. A catalytic chamber 304 is provided on the right side of the catalytic chamber 1. Limiting grooves 305 are welded to both the upper and lower ends of the inner side of the catalytic chamber 304. Cordierite support plates 306 are installed on the inner side of each limiting groove 305. A catalyst spray coating 307 is provided on the surface of each cordierite support plate 306. A siphon fan 308 is provided on the right side of the catalytic chamber 304. A duct 309 is installed on the outer side of the siphon fan 308.

[0023] Furthermore, the ceramic honeycomb heat storage body 302 is connected to the catalytic chamber 1 by a slot. The ceramic honeycomb heat storage body 302 has a honeycomb structure. The electric catalytic heater 303 is located on the lower side of the ceramic honeycomb heat storage body 302. When it is needed, the electric catalytic heater 303 will heat the ceramic honeycomb heat storage body 302, thereby preheating the exhaust gas entering the catalytic chamber 1 through the gas inlet 2, preparing for subsequent exhaust gas catalysis. The ceramic honeycomb heat storage body 302 has the characteristics of high temperature resistance, large heat capacity and low resistance. Its unique honeycomb structure provides a huge heat exchange area for the gas.

[0024] Further, the cordierite bearing plate 306 is connected with the limiting slot 305 through a slot connection, and the inside upper end of the catalytic chamber 304 is provided with three groups and the lower end is provided with two groups, which are arranged in an intersecting manner. The catalyst spraying layer 307 is connected with the cordierite bearing plate 306 through a bonding connection, and the catalyst spraying layer 307 is tightly attached to the cordierite bearing plate 306. When in use, the five groups of cordierite bearing plates 306 are installed in an intersecting manner. After the heated exhaust gas enters the catalytic chamber 304, the contact time with the catalyst spraying layer 307 on the surface of the cordierite bearing plate 306 can be increased, thereby providing sufficient catalytic effect. After a period of use, the cordierite bearing plate 306 can be removed from the limiting slot 305, so that the catalyst spraying layer 307 can be repainted.

[0025] Further, the outer diameter of the siphon fan 308 is fitted with the inner diameter of the air duct 309, and they are in a sealed welding state. When in use, the siphon fan 308 can perform siphon extraction on the catalytic chamber 304, thereby improving the flow of exhaust gas in the channel formed by the cordierite bearing plate 306, avoiding air flow stagnation, and achieving good air conveying effect.

[0026] Further, the end of the air duct 309 is welded with a dust deposition tank 4, and the upper side of the dust deposition tank 4 is installed with a nylon dust screen 5. When in use, the exhaust gas carried by the exhaust gas impurities can be blocked by the nylon dust screen 5 after flowing into the dust deposition tank 4 through the air duct 309. After the exhaust gas is burned, the exhaust gas impurities after combustion will also be adsorbed on the nylon dust screen 5 during the standing period, which is convenient for subsequent manual cleaning.

[0027] Further, the upper side of the nylon dust screen 5 is installed with an exhaust gas combustion chamber 6, and the inner wall of the exhaust gas combustion chamber 6 is welded with an electric heating plate 7. The outer side of the exhaust gas combustion chamber 6 is installed with a temperature controller 8. When in use, the temperature controller 8 can control the electric heating plate 7 to increase the space in the exhaust gas combustion chamber 6 to an appropriate height according to the required exhaust gas combustion temperature, so as to burn the impurities in the exhaust gas, thereby achieving the effect of exhaust gas treatment.

[0028] Further, the right side pipe of the exhaust gas combustion chamber 6 is connected with an activated carbon filter 9, and the model of the activated carbon filter 9 is a V-shaped activated carbon air filter. When in use, the activated carbon filter 9 can filter the exhaust gas after combustion treatment before being discharged into the air, thereby achieving the effect of fine filtration and removing the odor particles in the exhaust gas.

[0029] Working principle: the waste gas treatment equipment of the heat accumulating chamber catalytic combustion is moved to the working position, in use, first, the waste gas after physical filtration is sent into the heat accumulating box 1 through the gas inlet 2, at this time, the electric heating heater 303 carries out heating treatment to the ceramic honeycomb heat accumulator 302 in the packaging box 301, at this time, the waste gas after heating is sent into the catalytic chamber 304, second, five groups of cordierite bearing plates 306 in the limiting slot 305 form an air flow channel, when the waste gas after heating passes through the channel, the reactants in the waste gas will carry out catalytic reaction with the catalyst spraying layer 307 on the surface of the cordierite bearing plate 306, in the process, the siphon fan 308 will produce siphon effect, so that the waste gas flows, avoiding the waste gas stagnation, the air after catalysis will flow into the dust deposition box 4 through the air duct 309, third, the nylon dust screen 5 on the dust deposition box 4 will capture and adsorb the impurities possibly carried in the waste gas after catalysis, then the waste gas stagnates in the waste gas combustion chamber 6 position, at this time, the temperature controller 8 controls the electric heating plate 7 to carry out waste gas heating combustion, achieving the waste gas treatment effect, finally, the treated air enters the activated carbon filter 9, adsorbing the impurities possibly carried in the air without being treated, then is discharged into the open environment, thus completing the use process of the waste gas treatment equipment of the heat accumulating chamber catalytic combustion.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, equivalents, substitutions and variations of the embodiments can be made by those skilled in the art without departing from the spirit and principles of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A waste gas treatment apparatus of regenerative catalytic combustion, comprising a heat-accumulating box (1) and a catalytic reaction assembly (3), characterized in that: The left side of the catalytic heating box (1) is provided with a gas inlet (2), the catalytic reaction assembly (3) comprises an encapsulation box (301) mounted on the inner side of the catalytic heating box (1), the inner side of the encapsulation box (301) is welded with a ceramic honeycomb heat accumulator (302), the bottom of the catalytic heating box (1) is provided with an electric heating catalyst (303), the right side of the catalytic heating box (1) is provided with a catalytic chamber (304), the inner side of the catalytic chamber (304) is welded with a limiting clamping groove (305) at the upper and lower ends, the inner side of the limiting clamping groove (305) is mounted with a cordierite bearing plate (306), the surface of the cordierite bearing plate (306) is provided with a catalyst spraying layer (307), the right side of the catalytic chamber (304) is provided with a siphon fan (308), and the outer side of the siphon fan (308) is mounted with a wind guide pipe (309).

2. The regenerative catalytic combustion exhaust treatment device of claim 1, wherein, The ceramic honeycomb heat accumulator (302) is connected with the catalytic heating box (1) through the clamping groove, the ceramic honeycomb heat accumulator (302) has a honeycomb structure, and the electric heating catalyst (303) is located on the lower side of the ceramic honeycomb heat accumulator (302).

3. The regenerative catalytic combustion exhaust treatment device of claim 1, wherein, The cordierite bearing plate (306) is connected with the limiting clamping groove (305) through the clamping groove, the inner side of the catalytic chamber (304) is provided with three groups at the upper end and two groups at the lower end, and the upper and lower ends are arranged in a cross shape, the catalyst spraying layer (307) is connected with the cordierite bearing plate (306) through the adhesion, and the catalyst spraying layer (307) is tightly attached to the cordierite bearing plate (306).

4. The regenerative catalytic combustion exhaust treatment device of claim 1, wherein, The outer diameter of the siphon fan (308) is fitted with the inner diameter of the wind guide pipe (309), and they are in a sealed welding state.

5. The regenerative catalytic combustion exhaust treatment device of claim 1, wherein, The end of the wind guide pipe (309) is welded with a dust deposition box (4), and the upper side of the dust deposition box (4) is mounted with a nylon dust screen (5).

6. The regenerative catalytic combustion exhaust treatment device of claim 5, wherein, The upper side of the nylon dust screen (5) is mounted with a waste gas combustion chamber (6), the inner wall of the waste gas combustion chamber (6) is welded with an electric heating plate (7), and the outer side of the waste gas combustion chamber (6) is mounted with a temperature controller (8).

7. The regenerative catalytic combustion exhaust treatment device of claim 6, wherein, The right side of the waste gas combustion chamber (6) is connected with an activated carbon filter (9) through a pipeline, and the model of the activated carbon filter (9) is a V-shaped activated carbon air filter.

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